meshcore-dev/MeshCore
1
0
Fork 0
mirror of https://github.com/meshcore-dev/MeshCore.git synced 2026-04-20 22:13:47 +00:00
Code Issues Projects Releases Packages Wiki Activity

* Companion: new CMD_GET_CHANNEL, CMD_SET_CHANNEL

Browse source
This commit is contained in:
Scott Powell 2025-03-11 14:50:40 +11:00
parent f9b2428dcd
commit 8c68dbb6e9
4 changed files with 92 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

38
src/helpers/BaseChatMesh.cpp
View file

@ -203,7 +203,7 @@ void BaseChatMesh::onAckRecv(mesh::Packet* packet, uint32_t ack_crc) {
#ifdef MAX_GROUP_CHANNELS
int BaseChatMesh::searchChannelsByHash(const uint8_t* hash, mesh::GroupChannel dest[], int max_matches) {
int n = 0;
for (int i = 0; i < num_channels && n < max_matches; i++) {
for (int i = 0; i < MAX_GROUP_CHANNELS && n < max_matches; i++) {
if (channels[i].hash[0] == hash[0]) {
dest[n++] = channels[i];
}
@ -602,10 +602,46 @@ mesh::GroupChannel* BaseChatMesh::addChannel(const char* psk_base64) {
}
return NULL;
}
bool BaseChatMesh::getChannel(int idx, mesh::GroupChannel& dest) {
if (idx >= 0 && idx < MAX_GROUP_CHANNELS) {
dest = channels[idx];
return true;
}
return false;
}
bool BaseChatMesh::setChannel(int idx, const mesh::GroupChannel& src) {
static uint8_t zeroes[] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
if (idx >= 0 && idx < MAX_GROUP_CHANNELS) {
channels[idx] = src;
if (memcmp(&src.secret[16], zeroes, 16) == 0) {
mesh::Utils::sha256(channels[idx].hash, sizeof(channels[idx].hash), src.secret, 16); // 128-bit key
} else {
mesh::Utils::sha256(channels[idx].hash, sizeof(channels[idx].hash), src.secret, 32); // 256-bit key
}
return true;
}
return false;
}
int BaseChatMesh::findChannelIdx(const mesh::GroupChannel& ch) {
for (int i = 0; i < MAX_GROUP_CHANNELS; i++) {
if (memcmp(ch.secret, channels[i].secret, sizeof(ch.secret)) == 0) return i;
}
return -1; // not found
}
#else
mesh::GroupChannel* BaseChatMesh::addChannel(const char* psk_base64) {
return NULL; // not supported
}
bool BaseChatMesh::getChannel(int idx, mesh::GroupChannel& dest) {
return false;
}
bool BaseChatMesh::setChannel(int idx, const mesh::GroupChannel& src) {
return false;
}
int BaseChatMesh::findChannelIdx(const mesh::GroupChannel& ch) {
return -1; // not found
}
#endif
ContactsIterator BaseChatMesh::startContactsIterator() {